Dawson is set to believe that Lucas has some secrets in "Banshee" season 4 episode 6. Also, the possible suspect behind Rebecca's death have been revealed.

"Banshee" season 4 episode 6 is entitled Only One Way a Dogfight Ends." In a promo trailer for the episode, Dawson suspects Lucas of hiding something from her. According to Ecumenical News, this began when Dawson noticed that the latter always checks the car keys whenever he goes to their hotel room.

The trailer also saw a female deputy tell Kai Proctor that she has seen Carrie. Also, Calvin tells Proctor that his brother is no longer set to work for the mayor and comes face to face with his brother Kurt for a confrontation. The clip also suggested someone's death during a scene when Proctor throws a flower on someone's grave. The said death could be related to someone who is being stabbed by Job, along with the death of a cop.

Meanwhile, fans my narrow down the pool of suspects concerning the death of Rebecca in "Banshee" season 4. A list of suspected killers is posted as a poll in Spoiler TV. As per the publication, Rebecca's killer might be Lucas Hood, Carrie Hopewell, Sugar Bates, Kai Proctor, Clay Burton, Calvin Bunker, aDeclan Bode, Lilith Bode, Aaron Boedicker, and another Brotherhood member.

While there are several possible suspects behind Rebecca's death, details on the real killer are yet to be revealed in the succeeding episodes.

"Banshee" season 4 episode 6, "Only One Way a Dogfight Ends," is set to air on May 6 on Cinemax. Watch the promo trailer here.